I would not recommend anyone try this again, as it is incredibly painful to solder a chips leads to both sides of a board, particularly for components with pins within their dimensions. The code repository can be found here on github. After soldering the chip to a breakout board for use on a breadboard. The final working design on a breadboard. Because we did not think to order one initially, we used a USB breakout we already had because of time constraints.
The NJM op amp cannot provide much current. This is fine for a line out because line in usually has high impedance, however headphones usually have low impedance.
Thus, turning up the volume too high causes bad distortion for headphones. Another amplifier or an op amp with greater output voltage swing at low load resistance would improve this. This project uses 2 separate potentiometers for controlling volume of left and right speakers. It would have been better to have a single stereo potentiometer.
Also the potentiometers should have been logarithmic. Please log in to post comments. YMF Player. Page owner: Wesley Ivester. This site uses cookies to store information on your computer. By continuing to use our site, you consent to our cookies. If you are not happy with the use of these cookies, please review our Cookie Policy to learn how they can be disabled. By disabling cookies, some features of the site will not work. You do not have the correct permissions to perform this operation.
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